CN116059827A - Reverse osmosis separation device based on inorganic membrane - Google Patents
Reverse osmosis separation device based on inorganic membrane Download PDFInfo
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- CN116059827A CN116059827A CN202310355425.3A CN202310355425A CN116059827A CN 116059827 A CN116059827 A CN 116059827A CN 202310355425 A CN202310355425 A CN 202310355425A CN 116059827 A CN116059827 A CN 116059827A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The invention discloses a reverse osmosis separation device based on an inorganic membrane, which relates to the technical field of oil slurry separation and comprises a pretreatment component, a pressurizing component, a multistage reverse osmosis component, a circulating separation component and a storage tank, wherein the pretreatment component is connected with the pressurizing component through a pipeline, one end of the pressurizing component, which is far away from the pretreatment component, is connected with the multistage reverse osmosis component, the multistage reverse osmosis component comprises a plurality of groups of reverse osmosis units, the reverse osmosis units are mutually connected in series, the reverse osmosis units are all provided with discharge pipes and are connected with the storage tank, one end of the circulating separation component is connected with one group of reverse osmosis units, which are far away from the pressurizing component, and the other end of the circulating separation component is connected with the pressurizing component. According to the first-stage permeable membrane channel, on one hand, the circulating flow performance of oil in the channel is improved, local concentration difference of the oil is avoided, on the other hand, vibration of the inorganic membrane and oil diversion prevent the surface of the inorganic membrane from being blocked by impurities, and the reverse osmosis separation effect is improved.
Description
Technical Field
The invention relates to the technical field of oil slurry separation, in particular to a reverse osmosis separation device based on an inorganic membrane.
Background
The catalytic slurry oil is residual oil discharged from a catalytic cracking device of an oil refinery, contains various solid impurities, and is usually required to be subjected to solid-liquid separation, and the reverse osmosis separation is a common separation mode used in slurry oil separation, but the conventional reverse osmosis separation device has more defects and cannot meet the use requirement.
Conventional slurry reverse osmosis separator needs to pretreat slurry before separation, and the in-process of slurry pretreatment separates most great impurity, but because fluid viscosity is great, can appear more fluid residue on the impurity in the in-process of carrying out filtration separation, and the impurity also sticks easily and causes the filter screen to block up on the filter screen.
In the reverse osmosis separation process, oil is discharged from the reverse osmosis membrane, small-particle impurities are blocked by the reverse osmosis membrane, and the small-particle impurities are easily accumulated at the reverse osmosis membrane to influence the subsequent reverse osmosis effect. Because the input pressure of fluid is more in reverse osmosis process, the contact of inside impurity of fluid and reverse osmosis membrane is also more frequent, and the membrane surface produces local damage easily, and partial impurity can be discharged from the membrane damage position, and then influences reverse osmosis effect, but because of the cost consideration, can not just change the membrane under the condition that inorganic membrane appears minimum damage again, and this condition leads to the clean oil after the separation still to have the condition of impurity more.
Disclosure of Invention
The invention aims to provide a reverse osmosis separation device based on an inorganic membrane, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an inorganic membrane-based reverse osmosis separation device, which is characterized in that: the separation device comprises a pretreatment component, a pressurizing component, a multi-stage reverse osmosis component, a circulating separation component and a storage tank, wherein the pretreatment component is connected with the pressurizing component through a pipeline, one end of the pressurizing component, which is far away from the pretreatment component, is connected with the multi-stage reverse osmosis component, the multi-stage reverse osmosis component comprises a plurality of groups of reverse osmosis units, the reverse osmosis units are mutually connected in series, the reverse osmosis units are provided with discharge pipes which are connected with the storage tank, one end of the circulating separation component is connected with a group of reverse osmosis units, which are far away from the pressurizing component, and the other end of the circulating separation component is connected with the pressurizing component;
the reverse osmosis unit comprises a reverse osmosis tank, an injection tank, an input pipe, an output pipe and a circulating pipe, wherein a supporting structure is arranged at the bottom of the reverse osmosis tank and the bottom of the injection tank, the upper end and the lower end of the injection tank are respectively provided with a pipeline and are connected with the upper end and the lower end of the reverse osmosis tank, the input pipe is connected with the upper end of the side wall of the reverse osmosis tank, the output pipe, the circulating pipe is connected with the lower end of the side wall of the reverse osmosis tank, one end of the output pipe, which is far away from the reverse osmosis tank, is connected with the storage tank, and the input pipe and the circulating pipe are connected in series in a series circuit of a plurality of groups of reverse osmosis units. The pretreatment component carries out preliminary impurity separation on catalytic slurry oil, impurities with larger particles are filtered, the separated slurry oil still contains impurities with extremely small particles, the impurities are required to be separated through reverse osmosis, the slurry oil is input into the pressurizing component, the slurry oil is input into the multistage reverse osmosis component after being pressurized, the slurry oil is processed by a plurality of reverse osmosis units, in each reverse osmosis tank, the slurry oil is separated through reverse osmosis, clean oil is input into the injection tank and used as a transition layer in the reverse osmosis tank, the purified slurry oil after reverse osmosis separation is input into the storage tank through the output pipe, concentrated slurry oil is input into the circulating separation component from the circulating pipe, the impurities are distributed by the circulating separation component according to different areas, the slurry oil in the areas with more impurities is input into an external waste liquid pipeline, and the slurry oil in the areas with smaller impurities is input into the pressurizing component and is mixed with the slurry oil after pretreatment, so that the slurry oil is subjected to secondary reverse osmosis. The slurry oil is conveyed among the stations through the power pipeline, and the power arrangement of pipeline conveying belongs to the conventional technical means in the field and is not specifically described. The control block of the invention accumulates the kinetic energy of part of oil, periodically generates oil impact towards the inorganic membrane, periodically generates vibration on the surface of the inorganic membrane, and the impurity particles separated by the vibration are gathered towards the center of the flow channel when the flow of the oil is guided, and the fluid at the flow center is extruded to the position close to the inorganic membrane. This setting has promoted the circulation flow property of the inside fluid of one-level osmotic membrane passageway on the one hand, avoids fluid to appear local concentration difference, and on the other hand inorganic membrane's vibrations and fluid water conservancy diversion have avoided inorganic membrane surface to be blocked by impurity, have promoted reverse osmosis separation effect.
Further, the reverse osmosis tank comprises a main tank body, an input disc, an output disc, a first-stage osmosis membrane channel, a second-stage osmosis membrane channel and a guiding unit, wherein the input disc is arranged on the upper side inside the main tank body, the output disc is arranged on the lower side inside the main tank body, a fixing rod is arranged between the input disc, the output disc and the main tank body, an input pipe is connected with the input disc, the output disc is connected with a circulating pipe, a supporting steel lining is arranged on the outer side of the first-stage osmosis membrane channel and the outer side of the second-stage osmosis membrane channel, the upper end of the first-stage osmosis membrane channel is connected with the input disc, the lower end of the first-stage osmosis membrane channel is connected with the output disc, the second-stage osmosis membrane channel is fixed at the center of the main tank body, a plurality of groups of first-stage osmosis membrane channels are uniformly distributed around the second-stage osmosis membrane channel, the bottom of the second-stage osmosis membrane channel is connected with the output pipe, the upper end and the lower end of the main tank body are respectively communicated with the injection tank, and the guiding unit is arranged between the first-stage osmosis membrane channel and the second-stage osmosis membrane channel. The center of the guide unit is positioned at the gap of each first-stage permeable membrane channel, catalytic slurry oil is input from the input disc and distributed into each first-stage permeable membrane channel, impurities are left in the first-stage reverse osmosis membrane, flow along with the catalytic slurry oil and are converged into the output disc, and then the catalytic slurry oil is conveyed to the next-stage reverse osmosis unit. The oil enters the main tank body through the semipermeable membrane, the same oil conveyed at the injection tank is filled in the main tank body, the oil is pressurized under the action of the pressure pump, but the pressure level is smaller than the catalytic slurry inside the first-stage osmotic membrane channel, the oil separated from the first-stage osmotic membrane channel is mixed into the oil input by the injection tank, a small amount of impurities leaked due to faults and damage of the semipermeable membrane are distributed in the main tank body, the local content is greatly reduced, the oil is guided by the guide unit, the second reverse osmosis is carried out at the second-stage osmotic membrane channel, and clean oil after the second reverse osmosis is input into the storage tank.
Further, a control block and a guide plate are arranged in the first-stage permeable membrane channel, an adjusting cavity, a moving cavity, a switching block, a first channel, a second channel, a pulling rope, a thimble, a moving plate, a spray opening, a pulling spring, a first magnetic block and a second magnetic block are arranged in the control block, the guide plate and the two side walls of the first-stage permeable membrane channel are fixedly connected, the control block and the guide plate are respectively provided with two groups, the two groups of control blocks are symmetrically arranged on the two sides of the first-stage permeable membrane channel provided with an inorganic membrane, the two groups of guide plates are symmetrically arranged on the two sides of the first-stage permeable membrane channel provided with the inorganic membrane, the control blocks and the guide plates of the same group are arranged at intervals, an annular groove is arranged on the upper side of the control block, an input hole is arranged at the center of the annular groove, the input hole is communicated with the first channel, one end of the first channel, which is far away from the input hole, is communicated with the adjusting cavity, one end of the second channel is communicated with the spray opening, the other end of the second channel is communicated with the regulating cavity, the ejection port is obliquely downwards arranged, the ejection port faces the inorganic film, the moving cavity is connected with the regulating cavity, a rubber plug is arranged between the moving cavity and the regulating cavity, an extrusion hole is arranged in the center of the rubber plug, the moving plate is in sliding connection with the regulating cavity, the switching block is in sliding connection with the moving cavity, the switching block is provided with a switching hole, one end of the pulling spring is in fastening connection with the regulating cavity, the other end of the pulling spring is in fastening connection with the moving plate, the ejector pin is in fastening connection with one end of the moving plate, which is far away from the pulling spring, one end of the pulling rope is in fastening connection with the ejector pin, the other end of the pulling rope is in fastening connection with the first magnetic block, one side of the first magnetic block is in sliding connection with one side of the moving cavity, which is far away from the regulating cavity, the switching block can be adsorbed by the first magnetic block and the second magnetic block, the upper side of the guiding plate is near the inorganic film, guide plate downside is close to one-level osmotic membrane passageway central point, and one side that the guide plate is close to the inorganic membrane sets up to straight face, and one side that the guide plate is close to one-level osmotic membrane passageway central point puts sets up to the arcwall face. In the first-stage osmotic membrane passageway, slurry oil flows from the top down, can once pass through each control block, guide board, in control block department, partial fluid is blocked by the ring channel, fluid along the input hole gets into the regulation intracavity portion through first passageway, fluid promotes the movable plate and removes, the movable plate compresses and pulls the spring, when pulling the rope and being straightened, pull the rope and can stimulate first magnetic path and remove, first magnetic path moves to keeping away from switching piece one side, after removing certain distance, the adsorption force that first magnetic path produced is less than the second magnetic path, be provided with the spacing ring between switching piece and the first magnetic path, switching piece can be moved to second magnetic path one side, also be provided with the spacing ring between second magnetic path and the switching piece, when the switching piece is pressed close to first magnetic path spacing ring, first passageway switches on, when the second passageway is closed, the switching piece is pressed close to second magnetic path spacing ring, the second passageway switches on, first passageway is closed. When the second channel is conducted, impact force of downward flow of fluid is not applied to the adjusting cavity any more, the pulling spring resets the movable plate, the movable plate pushes oil to be discharged from the second channel in the resetting process, oil is ejected from the ejection port in a concentrated mode, the ejection port is inclined downwards and faces the inorganic membrane, the oil can impact the inorganic membrane to flow, the inorganic membrane generates local vibration under the impact of the oil, impurities accumulated on the surface of the inorganic membrane are ejected in the vibration process, the oil continuously flows to the position of the guide plate, the guide plate guides the oil at the inorganic membrane to flow to the middle, the flow speed at the arc-shaped surface of the guide plate is increased, the oil is further promoted to circulate to the middle, the circulated oil reaches the next control block, and the circulated oil is ejected to the inorganic membrane again. The control block of the invention accumulates the kinetic energy of part of oil, periodically generates oil impact towards the inorganic membrane, periodically generates vibration on the surface of the inorganic membrane, and the impurity particles separated by the vibration are gathered towards the center of the flow channel when the flow of the oil is guided, and the fluid at the flow center is extruded to the position close to the inorganic membrane. This setting has promoted the circulation flow property of the inside fluid of one-level osmotic membrane passageway on the one hand, avoids fluid to appear local concentration difference, and on the other hand inorganic membrane's vibrations and fluid water conservancy diversion have avoided inorganic membrane surface to be blocked by impurity, have promoted reverse osmosis separation effect.
Further, the guide unit includes drainage piece, drainage groove, pressure wheel, arc groove, both ends and main jar body fastening connection about the drainage piece, the drainage groove sets up in drainage piece intermediate position, drainage groove one end is towards the clearance of one-level osmotic membrane passageway, the drainage groove other end is towards second grade osmotic membrane passageway surface, the drainage groove both sides are provided with the arc groove, pressure wheel and drainage piece rotate to be connected, pressure wheel half is located inside the arc groove, pressure wheel is provided with two sets of, two sets of pressure wheel symmetry settings, pressure wheel is kept away from arc groove one side and is rotated to second grade osmotic membrane passageway direction, pressure wheel is provided with actuating mechanism. The driving mechanism of the pressurizing wheel belongs to the conventional technical means in the field, and the specific structure is not described. The inside fluid of main tank body is in continuous flow state, the first-stage osmotic membrane passageway is when exporting fluid, probably can lead to a small amount of impurity to follow the discharge of fluid owing to the defect of self membrane structure, this part fluid is dispersed along with the continuous flow of the inside fluid of main tank body, but this part fluid still concentrates on the outside of main tank body, and the continuous rotation of pressure wheel can guide outside fluid to second grade osmotic membrane passageway department gathering, second grade osmotic membrane passageway department's fluid can follow drainage piece clearance department outside again and discharge, main tank body has formed good inside and outside circulation, in the in-process that fluid flow to second grade osmotic membrane passageway, pressure wheel has promoted the pressure of fluid, second grade osmotic membrane passageway department pressure promotes, its inside and outside lateral pressure difference promotes, can be better carry out the second reverse osmosis. According to the invention, the guiding unit promotes the circulation flow of oil in the main tank body through flow direction guiding, the grading reverse osmosis carried out by the primary osmosis membrane channel and the secondary osmosis membrane channel carries out local pressure lifting through the guiding unit, the input pressure at the pressure pump is reduced, the energy loss is reduced, the content of impurities in the finally discharged clean oil is greatly reduced by the grading reverse osmosis, and the effectiveness of the separating device is improved.
Further, the injection tank top is provided with the pressure pump, and pressure pump one end is connected with the injection tank, and the pressure pump other end is connected with main tank body top, and the injection tank top is provided with the pipeline and is connected with main tank body bottom. The oil body inside the injection tank is continuously input into the reverse osmosis tank, the oil body is used as a transition oil body between primary reverse osmosis and secondary reverse osmosis, the impurity amount is greatly reduced after primary reverse osmosis, the reduced impurity is split along with the circulating flow of the oil body inside the injection tank, the impurity amount at a local position can be further reduced, the effectiveness of reverse osmosis separation is greatly improved, and the oil body inside the injection tank can be regularly replaced to ensure long-term stable operation of the reverse osmosis separation.
Further, the pretreatment component comprises a receiving hopper, a treatment box, an inner ring cylinder, a conical screen, an annular screen and guide needles, wherein the central position of the top of the receiving hopper is fixedly connected with the central position of the inside of the treatment box, the conical screen is fixedly connected with the top of the inner ring cylinder, the conical screen is pointed upwards, the pointed cone of the conical screen is arranged at the central position of the inner ring cylinder, the outer side of the annular screen is fixedly connected with the inner wall of the treatment box, the inner side of the annular screen is fixedly connected with the outer wall of the inner ring cylinder, the height of one side of the annular screen, which is close to the treatment box, is lower than that of the annular screen, the guide needles are fixedly connected with the lower end of the conical screen, the guide needles are uniformly distributed at the lower end of the conical screen, the bottom of the inner ring cylinder is provided with a conveying pipe and a pressurizing component, and the position of the bottom of the treatment box, which is close to the side wall, is provided with a mixing pipe and a conveying pipe. Catalytic slurry oil is input from a receiving hopper, the slurry oil falls to the center of a conical screen, a vibration mechanism is arranged on the side edge of the conical screen, the vibration mechanism belongs to the conventional technical means in the field, and a specific structure is not described. Most of impurities in the slurry oil are filtered by the conical screen, the impurities are dispersed along with vibration of the conical screen, slide onto the annular screen along the conical screen, most of oil directly passes through the conical screen and falls into the inner annular cylinder, and a small part of oil remains on the conical screen and can be quickly guided down from each guide needle along with vibration of the conical screen. Impurities falling onto the annular screen mesh are accumulated on the upper side of the annular screen mesh, residual oil on the surface of the impurities slowly drops into the treatment tank, the oil inside the treatment tank and the oil inside the inner ring cylinder are mixed and output, the oil inside the inner ring cylinder is output more than the oil inside the treatment tank, the oil inside the treatment tank is output less than the oil inside the treatment tank, and the specific output speed can be controlled through the regulating valve. The impurities accumulated in the treatment box need to be cleaned regularly so as to ensure the whole stable operation of the device. The pretreatment component filters most of impurities in the catalytic slurry oil, and carries out double treatment on the impurities through the conical screen and the annular screen in the impurity filtering process, oil and the impurities are rapidly separated at the conical screen, the impurities are continuously discharged, the conical screen is prevented from being blocked, the impurities are kept stand at the annular screen, and the residual oil on the impurities is fully separated. The differential output of the inside fluid of inner ring section of thick bamboo, processing case makes the fluid that breaks away from on the impurity can be diluted, and the tiny miscellaneous volume that the fluid that the impurity breaks away from contains is more, and this setting has promoted the impurity degree of consistency of output fluid.
Further, the pressurizing assembly comprises a mixing bin, a pressurizing pump, a mixing impeller and a driving motor, the mixing bin is in ground fastening connection, two sides of the top of the mixing bin are respectively connected with the pretreatment assembly and the circulating separation assembly, the bottom of the mixing bin is connected with the input end of the pressurizing pump, the output end of the pressurizing pump is connected with the input disc, the driving motor is in fastening connection with the top of the mixing bin, the mixing impeller is arranged inside the mixing bin, the mixing impeller is in rotary connection with the mixing bin, and the output shaft of the driving motor is in fastening connection with the mixing impeller. The catalytic slurry oil and the slurry oil conveyed by the circulating separation assembly are mixed and conveyed in the mixing bin, and in the conveying process, the driving motor drives the mixing impeller to rotate, and the catalytic slurry oil and the slurry oil are conveyed and mixed at the same time, and reverse osmosis treatment is performed again, so that the extraction amount of clean oil is greatly improved.
Further, circulation separation subassembly includes the knockout drum, the rotating frame, rotating motor, rotating vane, the exhaust sleeve, the knockout drum top links to each other with multistage reverse osmosis subassembly, knockout drum bottom links to each other with the pressurization subassembly, rotating motor and knockout drum top fastening connection, rotating frame and knockout drum rotate to be connected, rotating frame center department is provided with the center post, rotating motor's output shaft and center post fastening connection, rotating vane divide into two sets ofly, a set of rotating vane around center post evenly distributed, a set of rotating vane around rotating frame inner wall evenly distributed, the exhaust sleeve is fixed at the knockout drum lateral wall lower extreme, knockout drum lateral wall lower extreme is provided with a plurality of discharge holes, discharge hole and exhaust sleeve intercommunication, exhaust sleeve and outside waste liquid pipeline intercommunication. In the knockout drum, the concentrated oil input that contains a large amount of impurity, rotating motor drive rotating frame rotates, and rotor blade drives concentrated oil rotation from central point put and outer wall position simultaneously, and concentrated oil impurity concentrates outside under rotatory centrifugal action, and central department oil delivery is to circulation separation subassembly, and outside contains the oily outside waste liquid pipeline of input that impurity content is more.
Compared with the prior art, the invention has the following beneficial effects: the control block of the invention accumulates the kinetic energy of part of oil, periodically generates oil impact towards the inorganic membrane, periodically generates vibration on the surface of the inorganic membrane, and the impurity particles separated by the vibration are gathered towards the center of the flow channel when the flow of the oil is guided, and the fluid at the flow center is extruded to the position close to the inorganic membrane. This setting has promoted the circulation flow property of the inside fluid of one-level osmotic membrane passageway on the one hand, avoids fluid to appear local concentration difference, and on the other hand inorganic membrane's vibrations and fluid water conservancy diversion have avoided inorganic membrane surface to be blocked by impurity, have promoted reverse osmosis separation effect. According to the invention, the guiding unit promotes the circulation flow of oil in the main tank body through flow direction guiding, the grading reverse osmosis carried out by the primary osmosis membrane channel and the secondary osmosis membrane channel carries out local pressure lifting through the guiding unit, the input pressure at the pressure pump is reduced, the energy loss is reduced, the content of impurities in the finally discharged clean oil is greatly reduced by the grading reverse osmosis, and the effectiveness of the separating device is improved. The pretreatment component filters most of impurities in the catalytic slurry oil, and carries out double treatment on the impurities through the conical screen and the annular screen in the impurity filtering process, oil and the impurities are rapidly separated at the conical screen, the impurities are continuously discharged, the conical screen is prevented from being blocked, the impurities are kept stand at the annular screen, and the residual oil on the impurities is fully separated. The differential output of the inside fluid of inner ring section of thick bamboo, processing case makes the fluid that breaks away from on the impurity can be diluted, and the tiny miscellaneous volume that the fluid that the impurity breaks away from contains is more, and this setting has promoted the impurity degree of consistency of output fluid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the pretreatment module of the present invention;
FIG. 3 is a schematic view of the internal structure of the pressurizing assembly of the present invention;
FIG. 4 is a cross-sectional view of the internal structure of the reverse osmosis tank of the present invention;
FIG. 5 is a top view of the reverse osmosis tank of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic view of the internal structure of the primary osmotic membrane channel of the present invention;
FIG. 8 is an enlarged view of a portion at B of FIG. 7;
FIG. 9 is a schematic view of the internal structure of the circulation separation module of the present invention;
in the figure: 1-pretreatment module, 11-receiving hopper, 12-treatment tank, 13-inner ring drum, 14-conical screen, 15-annular screen, 16-guide pin, 2-pressurizing module, 21-mixing bin, 22-pressurizing pump, 23-mixing impeller, 24-driving motor, 3-multistage reverse osmosis module, 31-reverse osmosis tank, 311-main tank body, 312-input tray, 313-output tray, 314-primary osmosis membrane channel, 3141-control block, 3142-guide plate, 3143-switching block, 3144-first channel, 3145-second channel, 3146-pull rope, 3147-ejector pin, 3148-moving plate, 3149-ejection port, 315-secondary osmosis membrane channel, 316-guiding unit, 3161-guide block, 3162-guide wheel, 3163-pressurizing wheel, 3164-arc groove, 32-injection tank, 33-input tube, 34-output tube, 35-input tray, 4-circulation separation module, 41-separation tank, 42-rotating frame, 43-rotating motor, 44-rotating blade, 45-discharge blade, 5-storage tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a reverse osmosis separation device based on an inorganic membrane is characterized in that: the separation device comprises a pretreatment component 1, a pressurizing component 2, a multistage reverse osmosis component 3, a circulating separation component 4 and a storage tank 5, wherein the pretreatment component 1 is connected with the pressurizing component 2 through a pipeline, one end of the pressurizing component 2, which is far away from the pretreatment component 1, is connected with the multistage reverse osmosis component 3, the multistage reverse osmosis component 3 comprises a plurality of groups of reverse osmosis units, the reverse osmosis units are mutually connected in series, the reverse osmosis units are provided with discharge pipes which are connected with the storage tank 5, one end of the circulating separation component 4 is connected with a group of reverse osmosis units, which are far away from the pressurizing component 2, and the other end of the circulating separation component 4 is connected with the pressurizing component 2;
the reverse osmosis unit comprises a reverse osmosis tank 31, an injection tank 32, an input pipe 33, an output pipe 34 and a circulating pipe 35, wherein a supporting structure is arranged at the bottom of the reverse osmosis tank 31 and the bottom of the injection tank 32, the upper end and the lower end of the injection tank 32 are provided with pipelines and are connected with the upper end and the lower end of the reverse osmosis tank 31, the input pipe 33 is connected with the upper end of the side wall of the reverse osmosis tank 31, the output pipe 34, the circulating pipe 35 is connected with the lower end of the side wall of the reverse osmosis tank 31, one end of the output pipe 34 far away from the reverse osmosis tank 31 is connected with the storage tank 5, and the input pipe 33 and the circulating pipe 35 are connected in series in a series circuit of a plurality of groups of reverse osmosis units. The pretreatment assembly 1 carries out preliminary impurity separation on catalytic slurry oil, impurities with larger particles are filtered, the separated slurry oil still contains impurities with extremely small particles, the impurities are required to be separated through reverse osmosis, the slurry oil is input into the pressurizing assembly 2, the slurry oil is input into the multistage reverse osmosis assembly 3 after being pressurized, the slurry oil is processed by a plurality of reverse osmosis units, in each reverse osmosis tank 31, the slurry oil is separated through reverse osmosis, clean oil is input into the injection tank 32 and used as a transition layer in the reverse osmosis tank 31, the purified slurry oil after the reverse osmosis separation is input into the storage tank 5 through the output pipe 34, the concentrated slurry oil is input into the circulating separation assembly 4 from the circulating pipe 35, the impurities are distributed according to different areas by the circulating separation assembly 4, the slurry oil in areas with more impurities is input into an external waste liquid pipeline, the slurry oil in areas with smaller impurities is input into the pressurizing assembly 2 and is mixed with the pretreated slurry oil after the reverse osmosis for secondary. The slurry oil is conveyed among the stations through the power pipeline, and the power arrangement of pipeline conveying belongs to the conventional technical means in the field and is not specifically described. The control block 3141 of the present invention accumulates the kinetic energy of part of the oil, periodically generates the oil impact towards the inorganic membrane, periodically generates vibration on the surface of the inorganic membrane, and the impurity particles separated by the vibration gather towards the center of the flow channel when the oil flows, and the fluid at the center of the flow is extruded towards the position close to the inorganic membrane. This setting has promoted the circulation flow property of the inside fluid of one-level osmotic membrane passageway 314 on the one hand, avoids fluid to appear local concentration difference, and on the other hand inorganic membrane's vibrations and fluid water conservancy diversion have avoided inorganic membrane surface to be blocked by impurity, have promoted reverse osmosis separation effect.
As shown in fig. 4 to 6, the reverse osmosis tank 31 comprises a main tank body 311, an input disc 312, an output disc 313, a first-stage osmosis membrane channel 314, a second-stage osmosis membrane channel 315 and a guiding unit 316, wherein the input disc 312 is arranged at the upper side of the inside of the main tank body 311, the output disc 313 is arranged at the lower side of the inside of the main tank body 311, a fixed rod is arranged between the input disc 312, the output disc 313 and the main tank body 311, the input tube 33 is connected with the input disc 312, the output disc 313 is connected with a circulating tube 35, a supporting steel lining is arranged at the outer side of the first-stage osmosis membrane channel 314 and the second-stage osmosis membrane channel 315, the upper end of the first-stage osmosis membrane channel 314 is connected with the input disc 312, the lower end of the first-stage osmosis membrane channel 314 is connected with the output disc 313, the second-stage osmosis membrane channel 315 is fixed at the central position of the main tank body 311, the plurality of sets of first-stage osmosis membrane channels 314 are uniformly distributed around the second-stage osmosis membrane channel 315, the bottom of the second-stage osmosis membrane channel is connected with the output tube 34, the upper end and the lower end of the main tank body 311 are respectively communicated with the injection tank 32, and the guiding unit 316 is arranged between the first-stage osmosis membrane channel 314 and the second-stage osmosis membrane channel 315. The center of the guide unit 316 is positioned at the gap of each first-stage permeation membrane channel 314, the catalytic slurry oil is input from the input disc and distributed into each first-stage permeation membrane channel 314, impurities are left inside the first-stage reverse osmosis membrane, and are converged into the output disc along with the flow of the catalytic slurry oil, and then are conveyed to the next-stage reverse osmosis unit. The oil enters the main tank 311 through the semipermeable membrane, the same oil conveyed by the injection tank 32 is filled in the main tank 311, the oil is pressurized under the action of the pressure pump, but the pressure level is smaller than the catalytic slurry inside the first-stage permeable membrane channel 314, the oil separated from the first-stage permeable membrane channel 314 is mixed into the oil input by the injection tank 32, a very small amount of impurities leaked due to faults and damage of the semipermeable membrane are distributed in the main tank 311, the local content is greatly reduced, the oil is guided by the guide unit 316, the second reverse osmosis is carried out at the second-stage permeable membrane channel 315, and clean oil after the second reverse osmosis is input into the storage tank 5.
As shown in fig. 7 and 8, a control block 3141 and a guide plate 3142 are arranged in the first-stage permeable membrane passage 314, an adjusting chamber, a moving chamber, a switching block 3143, a first passage 3144, a second passage 3145, a pulling rope 3146, a thimble 3147, a moving plate 3148, an ejection port 3149, a pulling spring, a first magnetic block and a second magnetic block are arranged in the control block 3141, the control plate 3142 and two side walls of the first-stage permeable membrane passage 314 are fastened, the control block 3141 and the guide plate 3142 are respectively provided with two groups, the two groups of control blocks 3141 are symmetrically arranged on two sides of the first-stage permeable membrane passage 314 provided with an inorganic membrane, the two groups of guide plates 3142 are also symmetrically arranged on two sides of the first-stage permeable membrane passage 314 provided with an inorganic membrane, the control blocks 3141 and the guide plates 3142 of the same group are arranged at intervals, an annular groove is arranged on the upper side of the control block 3141, an input hole is arranged in the center of the annular groove, the input hole is communicated with the first passage 3144, one end of the first channel 3144 far away from the input hole is communicated with the adjusting cavity, one end of the second channel 3145 is communicated with the ejection port 3149, the other end of the second channel 3145 is communicated with the adjusting cavity, the ejection port 3149 is obliquely downwards arranged, the ejection port 3149 faces the inorganic film, the moving cavity is connected with the adjusting cavity, a rubber plug is arranged between the moving cavity and the adjusting cavity, an extrusion hole is arranged in the center of the rubber plug, the moving plate 3148 is in sliding connection with the adjusting cavity, the switching block 3143 is in sliding connection with the moving cavity, the switching block 3143 is provided with the switching hole, one end of a pulling spring is in fastening connection with the adjusting cavity, the other end of the pulling spring is in fastening connection with the moving plate 3148, one end of the pulling rope 3146 is in fastening connection with the ejector pin 3147, the other end of the pulling rope 3146 is in fastening connection with the first magnetic block, one side of the first magnetic block is in sliding connection with the moving cavity close to the adjusting cavity, the second magnetic block is connected with one end fastening that the regulation chamber was kept away from to the removal chamber, and switching piece 3143 can be adsorbed by first magnetic block, second magnetic block, and guide board 3142 upside is close to inorganic membrane, and guide board 3142 downside is close to one-level osmotic membrane passageway 314 central point put, and guide board 3142 is close to one side of inorganic membrane and sets up to the face of straightening, and guide board 3142 is close to one-level osmotic membrane passageway 314 central point put one side and sets up to the arcwall face. In the first-stage permeable membrane channel 314, slurry oil flows from top to bottom, and once passes through each control block 3141 and guide plate 3142, at control block 3141 department, partial fluid is blocked by the ring channel, fluid along the input hole gets into the regulation intracavity through first passageway 3144, fluid promotes the movable plate 3148 and removes, the movable plate 3148 compresses and pulls the spring, when pulling rope 3146 and being straightened, pull rope 3146 can stimulate first magnetic path and remove, first magnetic path moves to keeping away from switching piece 3143 one side, after removing certain distance, the adsorption force that first magnetic path produced is less than the second magnetic path, be provided with the spacing ring between switching piece 3143 and the first magnetic path, switching piece 3143 can remove to second magnetic path one side, also be provided with the spacing ring between second magnetic path and the switching piece 3143, when switching piece 3143 is close to first magnetic path spacing ring, first passageway 3144 switches on, second passageway 3145 closes, when switching piece 3143 closes close to second magnetic path spacing ring. When the second channel 3145 is conducted, impact force of downward flow of fluid is not applied to the adjusting cavity any more, the spring is pulled to reset the movable plate 3148, in the resetting process, the movable plate 3148 pushes oil to be discharged from the second channel 3145, the oil is ejected from the ejection port 3149 in a concentrated mode, the ejection port 3149 is obliquely downward and faces the inorganic membrane, the oil can impact and flow to the inorganic membrane, the inorganic membrane generates local vibration under the impact of the oil, impurities accumulated on the surface of the inorganic membrane are sprung out in the vibration process, the oil continuously flows to the position of the guide plate, the guide plate 3142 guides the oil at the inorganic membrane to flow to the middle, the flow speed at the arc-shaped surface of the guide plate 3142 is increased, the oil is further promoted to circulate to the middle, the circulated oil reaches the next control block 3141 and is ejected to the inorganic membrane again. The control block 3141 of the present invention accumulates the kinetic energy of part of the oil, periodically generates the oil impact towards the inorganic membrane, periodically generates vibration on the surface of the inorganic membrane, and the impurity particles separated by the vibration gather towards the center of the flow channel when the oil flows, and the fluid at the center of the flow is extruded towards the position close to the inorganic membrane. This setting has promoted the circulation flow property of the inside fluid of one-level osmotic membrane passageway 314 on the one hand, avoids fluid to appear local concentration difference, and on the other hand inorganic membrane's vibrations and fluid water conservancy diversion have avoided inorganic membrane surface to be blocked by impurity, have promoted reverse osmosis separation effect.
As shown in fig. 5 and 6, the guiding unit 316 includes a drainage block 3161, a drainage groove 3162, a pressurizing wheel 3163, and an arc groove 3164, where the upper and lower ends of the drainage block 3161 are fixedly connected with the main tank 311, the drainage groove 3162 is disposed at the middle position of the drainage block 3161, one end of the drainage groove 3162 faces the gap of the primary permeable membrane channel 314, the other end of the drainage groove 3162 faces the surface of the secondary permeable membrane channel 315, the arc grooves 3164 are disposed on two sides of the drainage groove 3162, the pressurizing wheel 3163 is rotationally connected with the drainage block 3161, one half of the pressurizing wheel 3163 is disposed inside the arc groove 3164, two groups of the pressurizing wheels 3163 are symmetrically disposed, the pressurizing wheel 3163 rotates away from one side of the arc groove 3164 toward the secondary permeable membrane channel 315, and a driving mechanism is disposed on the pressurizing wheel 3163. The driving mechanism of the pressurizing wheel 3163 belongs to a conventional technical means in the art, and the specific structure is not described. The inside fluid of main jar body 311 is in continuous flow state, first order osmotic membrane passageway 314 can lead to a small amount of impurity to follow the fluid discharge because of the defect of self membrane structure when exporting fluid, this part fluid is dispersed along with the continuous flow of the inside fluid of main jar body 311, but this part fluid still concentrates in main jar body 311 outside, and the continuous rotation of pressure wheel can guide outside fluid to second order osmotic membrane passageway 315 department gathering, second order osmotic membrane passageway 315 department fluid can be discharged outside from drainage piece 3161 clearance department again, main jar body 311 has formed good inside and outside circulation, in the in-process that fluid flows to second order osmotic membrane passageway 315, pressure wheel 3163 has promoted the pressure of fluid, second order osmotic membrane passageway 315 department pressure promotes, its inside and outside lateral pressure difference promotes, can be better carry out the second reverse osmosis. According to the invention, the guiding unit 316 promotes the circulation flow of oil in the main tank 311 through flow direction guiding, the first-stage osmosis membrane channel 314 and the second-stage osmosis membrane channel 315 perform partial pressure lifting through the guiding unit 316, so that the input pressure at the pressure pump is reduced, the energy loss is reduced, the content of impurities in the finally discharged clean oil is greatly reduced through the graded reverse osmosis, and the effectiveness of the separation device is improved.
As shown in fig. 1, a pressure pump is arranged at the top of the injection tank 32, one end of the pressure pump is connected with the injection tank 32, the other end of the pressure pump is connected with the top of the main tank 311, and a pipeline is arranged at the top of the injection tank 32 and connected with the bottom of the main tank 311. The oil body inside the injection tank 32 is continuously input into the reverse osmosis tank 31, and is used as a transition oil body between primary reverse osmosis and secondary reverse osmosis, the impurity amount is greatly reduced after primary reverse osmosis, the reduced impurity is split along with the circulating flow of the oil body inside the injection tank, the impurity amount at a local position can be further reduced, the effectiveness of reverse osmosis separation is greatly improved, and the oil body inside the injection tank 32 can be periodically replaced to ensure long-term stable operation of the reverse osmosis separation.
As shown in fig. 2, the pretreatment assembly 1 comprises a receiving hopper 11, a treatment box 12, an inner ring barrel 13, a conical screen 14, an annular screen 15 and a guide needle 16, wherein the central positions of the tops of the receiving hopper 11 and the treatment box 12 are fixedly connected, the inner ring barrel 13 is fixedly connected with the central position inside the treatment box 12, the conical screen 14 is fixedly connected with the top of the inner ring barrel 13, the conical screen 14 is pointed upwards, the pointed cone of the conical screen 14 is arranged at the central position of the inner ring barrel 13, the outer side of the annular screen 15 is fixedly connected with the inner wall of the treatment box 12, the inner side of the annular screen 15 is fixedly connected with the outer wall of the inner ring barrel 13, the height of one side of the annular screen 15 close to the treatment box 12 is lower than that of the annular screen 15 close to the inner ring barrel 13, the guide needle 16 is fixedly connected with the lower end of the conical screen 14, a plurality of guide needles 16 are uniformly distributed at the lower end of the conical screen 14, the bottom of the inner ring barrel 13 is provided with a conveying pipe and is connected with the pressurizing assembly 2, and the position of the bottom of the treatment box 12 close to the side wall is provided with a mixing pipe and a conveying pipe. Catalytic slurry oil is input from the receiving hopper 11, the slurry oil falls to the center of the conical screen 14, a vibration mechanism is arranged on the side edge of the conical screen 14, and the vibration mechanism belongs to the conventional technical means in the field, and the specific structure is not described. The conical screen 14 filters most of impurities in the slurry oil, the impurities are dispersed to the periphery along with the vibration of the conical screen 14, the impurities slide onto the annular screen 15 along the conical screen 14, most of the oil directly passes through the conical screen 14 and falls into the inner annular cylinder 13, and a small part of the oil remains on the conical screen 14 and can be quickly guided down from each guide needle along with the vibration of the conical screen 14. The impurity that falls on the annular screen 15 piles up on annular screen 15 upside, and the remaining fluid on impurity surface slowly drips in handling case 12, and the inside fluid of handling case 12 mixes the output with the inside fluid of inner ring section of thick bamboo 13, and the inside fluid output of inner ring section of thick bamboo 13 accounts for more, and the inside fluid output of handling case 12 accounts for less, and specific output speed can be controlled through the governing valve. The impurities accumulated in the treatment tank 12 need to be cleaned regularly to ensure the stable operation of the whole device. The pretreatment component 1 filters most of impurities in the catalytic slurry oil, and carries out double treatment on the impurities through the conical screen 14 and the annular screen 15 in the impurity filtering process, oil and the impurities are rapidly separated at the conical screen 14, the impurities are continuously discharged, the conical screen 14 is prevented from being blocked, the impurities are kept stand at the annular screen 15, and the residual oil on the impurities is fully separated. The differential output of inside fluid of interior ring section of thick bamboo 13, processing case 12 makes the fluid that breaks away from on the impurity can be diluted, and the tiny miscellaneous volume that the fluid that the impurity breaks away from contains is more, and this setting has promoted the impurity degree of consistency of output fluid.
As shown in fig. 3, the pressurizing assembly 2 comprises a mixing bin 21, a pressurizing pump 22, a mixing impeller 23 and a driving motor 24, the mixing bin 21 is in fastening connection with the ground, two sides of the top of the mixing bin 21 are respectively connected with the pretreatment assembly 1 and the circulating separation assembly 4, the bottom of the mixing bin 21 is connected with the input end of the pressurizing pump 22, the output end of the pressurizing pump 22 is connected with an input disc 312, the driving motor 24 is in fastening connection with the top of the mixing bin 21, the mixing impeller 23 is arranged in the mixing bin 21, the mixing impeller 23 is in rotating connection with the mixing bin 21, and the output shaft of the driving motor 24 is in fastening connection with the mixing impeller 23. The catalytic slurry oil and the slurry oil conveyed by the circulating separation assembly 4 are mixed and conveyed in the mixing bin 21, and in the conveying process, the driving motor 24 drives the mixing impeller 23 to rotate, the two are conveyed and mixed, reverse osmosis treatment is carried out again, and the extraction amount of clean oil is greatly improved.
As shown in fig. 9, the circulation separation module 4 comprises a separation tank 41, a rotating frame 42, a rotating motor 43, rotating blades 44 and a discharge sleeve 45, wherein the top of the separation tank 41 is connected with the multistage reverse osmosis module 3, the bottom of the separation tank 41 is connected with the pressurizing module 2, the rotating motor 43 is fixedly connected with the top of the separation tank 41, the rotating frame 42 is rotatably connected with the separation tank 41, a central column is arranged at the center of the rotating frame 42, an output shaft of the rotating motor 43 is fixedly connected with the central column, the rotating blades 44 are divided into two groups, one group of rotating blades 44 are uniformly distributed around the central column, one group of rotating blades 44 are uniformly distributed around the inner wall of the rotating frame 42, a discharge sleeve 45 is fixed at the lower end of the side wall of the separation tank 41, a plurality of discharge holes are formed at the lower end of the side wall of the separation tank 41 and are communicated with the discharge sleeve 45, and the discharge sleeve 45 is communicated with an external waste liquid pipeline. In the separation tank 41, the concentrated oil containing a large amount of impurities is fed, the rotating motor 43 drives the rotating frame 42 to rotate, the rotating blades 44 simultaneously drive the concentrated oil to rotate from the center position and the outer wall position, the concentrated oil impurities are concentrated to the outside under the action of rotating centrifugation, the oil at the center is fed to the circulation separation assembly 4, and the oil containing a large amount of impurities at the outside is fed to the external waste liquid pipeline.
The working principle of the invention is as follows: catalytic slurry oil is input from the receiving hopper 11, the slurry oil falls to the center of the conical screen 14, most of impurities in the slurry oil are filtered by the conical screen 14, the impurities are dispersed to the periphery along with vibration of the conical screen 14, slide onto the annular screen 15 along the conical screen 14, most of oil directly passes through the conical screen 14 and falls into the inner annular cylinder 13, and a small part of oil remains on the conical screen 14 and is also quickly guided down from each guide needle along with vibration of the conical screen 14. The impurities falling onto the annular screen 15 are accumulated on the upper side of the annular screen 15, and the oil remaining on the surface of the impurities slowly drops into the treatment tank 12, and the oil in the treatment tank 12 and the oil in the inner ring barrel 13 are mixed and output. Slurry oil is input into the pressurizing assembly 2, is input into the multistage reverse osmosis assembly 3 after being pressurized, is processed by a plurality of reverse osmosis units, is input into each reverse osmosis tank 31 from the input disc 312, is distributed into each first-stage osmosis membrane channel 314, is remained in the first-stage reverse osmosis membrane, is converged into the output disc 313 along with the flow of the slurry oil, and is then conveyed to the next-stage reverse osmosis unit. The oil enters the main tank 311 through the semipermeable membrane, is guided by the guiding unit 316, is subjected to secondary reverse osmosis at the secondary osmotic membrane channel 315, and is input into the storage tank 5 after the secondary reverse osmosis. Concentrated slurry oil is input into the circulating separation assembly 4 from the circulating pipe 35, impurities are distributed by the circulating separation assembly 4 according to different areas, the interval slurry oil with more impurities is input into an external waste liquid pipeline, and the interval slurry oil with less impurities is input into the pressurizing assembly 2 to be mixed with pretreated slurry oil, so that the second reverse osmosis is performed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An inorganic membrane-based reverse osmosis separation device, which is characterized in that: the separation device comprises a pretreatment component (1), a pressurizing component (2), a multistage reverse osmosis component (3), a circulating separation component (4) and a storage tank (5), wherein the pretreatment component (1) is connected with the pressurizing component (2) through a pipeline, one end, far away from the pretreatment component (1), of the pressurizing component (2) is connected with the multistage reverse osmosis component (3), the multistage reverse osmosis component (3) comprises a plurality of groups of reverse osmosis units, the reverse osmosis units are mutually connected in series, the reverse osmosis units are provided with discharge pipes and the storage tank (5) which are connected, one end of the circulating separation component (4) is connected with a group of reverse osmosis units far away from the pressurizing component (2), and the other end of the circulating separation component (4) is connected with the pressurizing component (2);
the reverse osmosis unit comprises a reverse osmosis tank (31), an injection tank (32), an input pipe (33), an output pipe (34) and a circulating pipe (35), wherein a supporting structure is arranged at the bottom of the reverse osmosis tank (31) and the bottom of the injection tank (32), the upper end and the lower end of the injection tank (32) are respectively provided with a pipeline and the lower end of the reverse osmosis tank (31), the upper end of the side wall of the input pipe (33) is connected with the upper end of the side wall of the reverse osmosis tank (31), the output pipe (34), the circulating pipe (35) and the lower end of the side wall of the reverse osmosis tank (31) are connected, one end of the output pipe (34) far away from the reverse osmosis tank (31) is connected with a storage tank (5), and the input pipe (33) and the circulating pipe (35) are connected in series in a series loop of a plurality of groups of reverse osmosis units.
2. An inorganic membrane-based reverse osmosis separation device according to claim 1, characterized in that: the reverse osmosis tank (31) comprises a main tank body (311), an input disc (312), an output disc (313), a first-stage osmosis membrane channel (314), a second-stage osmosis membrane channel (315) and a guide unit (316), wherein the input disc (312) is arranged at the upper side inside the main tank body (311), the output disc (313) is arranged at the lower side inside the main tank body (311), a fixed rod is arranged between the input disc (312), the output disc (313) and the main tank body (311), the input tube (33) is connected with the input disc (312), the output disc (313) is connected with a circulating pipe (35), the outer sides of the first-stage osmosis membrane channel (314) and the second-stage osmosis membrane channel (315) are provided with supporting steel liners, the upper end of the first-stage osmosis membrane channel (314) is connected with the input disc (312), the lower end of the first-stage osmosis membrane channel (314) is connected with the output disc (313), the second-stage osmosis membrane channel (315) is fixed at the central position of the main tank body (311), the first-stage osmosis membrane channel (314) is provided with a plurality of groups of osmosis membranes (314) which are uniformly distributed around the upper ends of the two groups of the first-stage osmosis membrane channels (315) and the lower-stage osmosis membrane channels (32) which are respectively connected with the upper ends of the two groups of the upper-stage osmosis membrane channels (315, the guide unit (316) is disposed between the primary osmosis membrane channel (314) and the secondary osmosis membrane channel (315).
3. An inorganic membrane-based reverse osmosis separation device according to claim 2, characterized in that: the inside control block (3141) and guide plate (3142) that are arranged in first-stage osmotic membrane passageway (314), control block (3141) inside is provided with regulation chamber, removal chamber, switching block (3143), first passageway (3144), second passageway (3145), drag rope (3146), thimble (3147), movable plate (3148), ejection port (3149), drag spring, first magnetic path, second magnetic path, control block (3141), guide plate (3142) and first-stage osmotic membrane passageway (314) both sides wall fastening connection, control block (3141) and guide plate (3142) are provided with two sets of respectively, two sets of control block (3141) symmetry set up in first-stage osmotic membrane passageway (314) both sides that are provided with the inorganic membrane, control block (3141) of same set, guide plate (3142) interval setting, control block (3141) upside is provided with the input port, first annular channel (3141) and input port and first-stage osmotic membrane passageway (3142) are provided with input port, first input port and input port (3144) are provided with annular channel (3145) and second-stage osmotic membrane passageway (3145) are kept away from one end, regulation chamber (3145) and one end of ejection port (3145) are kept away from to the opposite end, remove chamber and regulation chamber and link to each other, be provided with the rubber buffer between removal chamber and the regulation chamber, rubber buffer center is provided with extrusion hole, remove board (3148) and regulation chamber sliding connection, switch over piece (3143) and remove chamber sliding connection, be provided with the switch over hole on switch over piece (3143), pull spring one end and regulation chamber fastening connection, pull spring other end and remove board (3148) fastening connection, the one end fastening connection that pulls the spring is kept away from to thimble (3147) and remove board (3148), pull rope (3146) one end and thimble (3147) fastening connection, pull rope (3146) other end and first magnetic path fastening connection, one side sliding connection that first magnetic path and removal chamber are close to the regulation chamber, one end fastening connection that second magnetic path and removal chamber are kept away from the regulation chamber, switch over piece (3143) can be adsorbed by first magnetic path, second magnetic path, guide board (3142) upside is close to inorganic membrane, guide board (3142) one side is close to the one side of being close to the centre of a machine face (314) and is close to the centre of a straight side of a guide board (3142), and one side is set up to the centre of a straight side of a guide board (314).
4. A reverse osmosis separation device based on inorganic membranes according to claim 3, characterized in that: the guide unit (316) comprises a drainage block (3161), a drainage groove (3162), a pressurizing wheel (3163) and an arc groove (3164), wherein the upper end and the lower end of the drainage block (3161) are fixedly connected with a main tank body (311), the drainage groove (3162) is arranged at the middle position of the drainage block (3161), one end of the drainage groove (3162) faces the gap of a first-stage permeable membrane channel (314), the other end of the drainage groove (3162) faces the surface of a second-stage permeable membrane channel (315), the arc grooves (3164) are formed in two sides of the drainage groove (3162), the pressurizing wheel (3163) is rotationally connected with the drainage block (3161), one half of the pressurizing wheel (3163) is located inside the arc groove (3164), the pressurizing wheel (3163) is provided with two groups, the two groups of pressurizing wheels (3163) are symmetrically arranged, one side of the pressurizing wheel (3163) is far away from the arc groove (3164) and rotates towards the second-stage permeable membrane channel (315), and the pressurizing wheel (3163) is provided with a driving mechanism.
5. An inorganic membrane-based reverse osmosis separation device according to claim 4, wherein: the injection tank is characterized in that a pressure pump is arranged at the top of the injection tank (32), one end of the pressure pump is connected with the injection tank (32), the other end of the pressure pump is connected with the top of the main tank body (311), and a pipeline is arranged at the top of the injection tank (32) and connected with the bottom of the main tank body (311).
6. An inorganic membrane-based reverse osmosis separation device according to claim 5, wherein: the pretreatment assembly (1) comprises a receiving hopper (11), a treatment box (12), an inner ring cylinder (13), a conical screen (14), an annular screen (15) and a guide needle (16), wherein the top central position of the receiving hopper (11) and the top of the treatment box (12) are in fastening connection, the inner ring cylinder (13) and the inner central position of the treatment box (12) are in fastening connection, the conical screen (14) and the top of the inner ring cylinder (13) are in fastening connection, the pointed cone of the conical screen (14) faces upwards, the pointed cone of the conical screen (14) is arranged at the central position of the inner ring cylinder (13), the outer side of the annular screen (15) is in fastening connection with the inner wall of the treatment box (12), one side of the annular screen (15) close to the treatment box (12) is lower than one side of the annular screen (15) close to the inner ring cylinder (13), the guide needle (16) and the lower end of the conical screen (14) are in fastening connection, the guide needle (16) is provided with a plurality of guide needles (16) and a plurality of guide needles (14) are arranged at the central position of the inner ring cylinder (13), the guide needles (13) are distributed at the bottom of the delivery pipe (12) and the delivery pipe (12) are connected, and the delivery pipe is arranged at the bottom of the delivery pipe (12) and the delivery pipe is connected.
7. An inorganic membrane-based reverse osmosis separation device according to claim 6, wherein: the pressurizing assembly (2) comprises a mixing bin (21), a pressurizing pump (22), a mixing impeller (23) and a driving motor (24), wherein the mixing bin (21) is in fastening connection with the ground, two sides of the top of the mixing bin (21) are respectively connected with the pretreatment assembly (1) and the circulating separation assembly (4), the bottom of the mixing bin (21) is connected with the input end of the pressurizing pump (22), the output end of the pressurizing pump (22) is connected with an input disc (312), the driving motor (24) is in fastening connection with the top of the mixing bin (21), the mixing impeller (23) is arranged inside the mixing bin (21), the mixing impeller (23) is in rotary connection with the mixing bin (21), and the output shaft of the driving motor (24) is in fastening connection with the mixing impeller (23).
8. An inorganic membrane-based reverse osmosis separation device according to claim 7, wherein: circulation separation subassembly (4) are including knockout drum (41), rotating frame (42), rotating motor (43), rotor blade (44), discharge sleeve (45), knockout drum (41) top and multistage reverse osmosis unit (3) link to each other, knockout drum (41) bottom and pressurization subassembly (2) link to each other, rotating motor (43) and knockout drum (41) top fastening connection, rotating frame (42) and knockout drum (41) rotate to be connected, rotating frame (42) center department is provided with the center post, output shaft and the center post fastening connection of rotating motor (43), rotor blade (44) divide into two sets of rotor blade (44) around center post evenly distributed, a set of rotor blade (44) are around rotating frame (42) inner wall evenly distributed, discharge sleeve (45) are fixed at knockout drum (41) lateral wall lower extreme, knockout drum (41) lateral wall lower extreme is provided with a plurality of discharge holes, discharge hole and discharge sleeve (45) intercommunication, discharge sleeve (45) and outside pipeline intercommunication.
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Cited By (1)
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| CN116920622A (en) * | 2023-09-15 | 2023-10-24 | 江苏赛瑞迈科新材料有限公司 | Inorganic membrane filtration purification device of inferior oil residue |
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